
\begin{tabular}{lc}
   \toprule
                      & UCD (1979)\\
                      & (1)\\
   \midrule 
   Signal strength    & -0.1064$^{***}$\\
                      & (0.0354)\\
                      &  \\
   Observations       & 228\\
   R$^2$              & 0.72055\\
   Within R$^2$       & 0.27983\\
                      &  \\
   prov fixed effects & $\checkmark$\\
   \bottomrule
\end{tabular}


